Home / 485,994,058.53-670,538,906.40-277,073,972.61

Finding the Fourth Proportional to 485,994,058.53, 670,538,906.40 and 277,073,972.61

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Solution

The fourth proportional to 485,994,058.53, 670,538,906.40 and 277,073,972.61 is: 382,286,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,994,058.53 : 670,538,906.40 = 277,073,972.61 : x
  2. Step 2: Convert to fraction form
    485,994,058.53/670,538,906.40 = 277,073,972.61/x
  3. Step 3: Cross multiply
    485,994,058.53x = 670,538,906.40 × 277,073,972.61
  4. Step 4: Simplify right side
    485,994,058.53x = 185,788,878,585,812,960
  5. Step 5: Solve for x
    x = 185,788,878,585,812,960/485,994,058.53
  6. Step 6: Final answer
    x = 382,286,316.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.